class_docstr: Visit the AST and generate C++ op registration functions.
class_docstr_tok: ["Visit","the","AST","and","generate","C++","op","registration","functions","."]
code: def visit_keyword(self, node):
      return node.arg, self.visit(node.value)
  
file_path: tensorflow-upstream/tensorflow/compiler/mlir/tfr/python/op_reg_gen.py
imports: import gast
  from tensorflow.python.autograph.pyct import transformer
  from tensorflow.python.autograph.pyct import transpiler
  from tensorflow.python.framework import op_def_registry
  from tensorflow.python.util import tf_inspect
label_desc: Use image node_id 4 for calling the OpRegGenImpl obj's underlying member method code with example usage: obj.visit_keyword(node) and returns: node,  self